<!DOCTYPE html>
<html>
  <head>
    <title>Pseudo classes</title>
    <style>
      a:link    { color:blue; }
      a:visited { color:gray; }
      a:hover   { color:red; }
      a:active  { color:purple; }
      *:focus   { background:yellow; }
    </style>
  </head>
  <body>
    <a href='http://google.com'>Link to Google'</a><br>
    <a href='nowhere'>Link to nowhere'</a><br>
    <input type='text'>
  </body>
</html>
